diff options
Diffstat (limited to 'libc/stdio/_vfprintf.c')
| -rw-r--r-- | libc/stdio/_vfprintf.c | 129 |
1 files changed, 86 insertions, 43 deletions
diff --git a/libc/stdio/_vfprintf.c b/libc/stdio/_vfprintf.c index fd2975aa3..b3deaddb1 100644 --- a/libc/stdio/_vfprintf.c +++ b/libc/stdio/_vfprintf.c @@ -1198,7 +1198,7 @@ int register_printf_function(int spec, printf_function handler, #endif /**********************************************************************/ -#if defined(L_vfprintf) || defined(L_vfwprintf) +#if defined(L__vfprintf_internal) || defined(L__vfwprintf_internal) /* We only support ascii digits (or their USC equivalent codes) in * precision and width settings in *printf (wide) format strings. @@ -1207,14 +1207,15 @@ int register_printf_function(int spec, printf_function handler, static size_t _charpad(FILE * __restrict stream, int padchar, size_t numpad); -#ifdef L_vfprintf +#ifdef L__vfprintf_internal -#define VFPRINTF vfprintf +#define VFPRINTF_internal _vfprintf_internal #define FMT_TYPE char #define OUTNSTR _outnstr #define STRLEN strlen #define _PPFS_init _ppfs_init -#define OUTPUT(F,S) fputs_unlocked(S,F) +/* Pulls in fseek: #define OUTPUT(F,S) fputs_unlocked(S,F) */ +#define OUTPUT(F,S) __stdio_fwrite((const unsigned char *)(S),strlen(S),(F)) /* #define _outnstr(stream, string, len) __stdio_fwrite(string, len, stream) */ #define _outnstr(stream, string, len) ((len > 0) ? __stdio_fwrite(string, len, stream) : 0) #define FP_OUT _fp_out_narrow @@ -1239,14 +1240,16 @@ static size_t _fp_out_narrow(FILE *fp, intptr_t type, intptr_t len, intptr_t buf #endif /* __STDIO_PRINTF_FLOAT */ -#else /* L_vfprintf */ +#else /* L__vfprintf_internal */ -#define VFPRINTF vfwprintf +#define VFPRINTF_internal _vfwprintf_internal #define FMT_TYPE wchar_t #define OUTNSTR _outnwcs #define STRLEN wcslen #define _PPFS_init _ppwfs_init +/* Pulls in fseek: */ #define OUTPUT(F,S) fputws(S,F) +/* TODO: #define OUTPUT(F,S) _wstdio_fwrite((S),wcslen(S),(F)) */ #define _outnwcs(stream, wstring, len) _wstdio_fwrite(wstring, len, stream) #define FP_OUT _fp_out_wide @@ -1417,7 +1420,8 @@ static int _ppwfs_init(register ppfs_t *ppfs, const wchar_t *fmt0) return 0; } -#endif /* L_vfprintf */ +#endif /* L__vfprintf_internal */ + static size_t _charpad(FILE * __restrict stream, int padchar, size_t numpad) { @@ -1439,12 +1443,12 @@ static int _do_one_spec(FILE * __restrict stream, register ppfs_t *ppfs, int *count) { static const char spec_base[] = SPEC_BASE; -#ifdef L_vfprintf +#ifdef L__vfprintf_internal static const char prefix[] = "+\0-\0 \0000x\0000X"; /* 0 2 4 6 9 11*/ -#else /* L_vfprintf */ +#else /* L__vfprintf_internal */ static const wchar_t prefix[] = L"+\0-\0 \0000x\0000X"; -#endif /* L_vfprintf */ +#endif /* L__vfprintf_internal */ enum { PREFIX_PLUS = 0, PREFIX_MINUS = 2, @@ -1465,7 +1469,7 @@ static int _do_one_spec(FILE * __restrict stream, mbstate_t mbstate; #endif /* __UCLIBC_HAS_WCHAR__ */ size_t slen; -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #define SLEN slen #else size_t SLEN; @@ -1532,7 +1536,7 @@ static int _do_one_spec(FILE * __restrict stream, alphacase = __UIM_LOWER; #ifdef __UCLIBC_MJN3_ONLY__ -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #warning CONSIDER: Should we ignore these flags if stub locale? What about custom specs? #endif #endif /* __UCLIBC_MJN3_ONLY__ */ @@ -1560,7 +1564,7 @@ static int _do_one_spec(FILE * __restrict stream, padchar = ppfs->info.pad; } #ifdef __UCLIBC_MJN3_ONLY__ -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #warning CONSIDER: If using outdigits and/or grouping, how should we interpret precision? #endif #endif /* __UCLIBC_MJN3_ONLY__ */ @@ -1580,7 +1584,7 @@ static int _do_one_spec(FILE * __restrict stream, } } slen = (char *)(buf + sizeof(buf) - 1) - s; -#ifdef L_vfwprintf +#ifdef L__vfwprintf_internal { const char *q = s; mbstate.__mask = 0; /* Initialize the mbstate. */ @@ -1605,13 +1609,13 @@ static int _do_one_spec(FILE * __restrict stream, } if (ppfs->conv_num == CONV_p) {/* null pointer */ s = "(nil)"; -#ifdef L_vfwprintf +#ifdef L__vfwprintf_internal SLEN = #endif slen = 5; numfill = 0; } else if (numfill == 0) { /* if precision 0, no output */ -#ifdef L_vfwprintf +#ifdef L__vfwprintf_internal SLEN = #endif slen = 0; @@ -1637,7 +1641,7 @@ static int _do_one_spec(FILE * __restrict stream, return -1; /* TODO -- try to continue? */ #endif /* __STDIO_PRINTF_FLOAT */ } else if (ppfs->conv_num <= CONV_S) { /* wide char or string */ -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #ifdef __UCLIBC_HAS_WCHAR__ mbstate.__mask = 0; /* Initialize the mbstate. */ @@ -1692,7 +1696,7 @@ static int _do_one_spec(FILE * __restrict stream, slen = 1; } -#else /* L_vfprintf */ +#else /* L__vfprintf_internal */ if (ppfs->conv_num == CONV_S) { /* wide string */ ws = *((wchar_t **) (*argptr)); @@ -1713,7 +1717,7 @@ static int _do_one_spec(FILE * __restrict stream, if (ppfs->conv_num == CONV_s) { /* string */ #ifdef __UCLIBC_MJN3_ONLY__ -#warning TODO: Fix %s for vfwprintf... output upto illegal sequence? +#warning TODO: Fix %s for _vfwprintf_internal... output upto illegal sequence? #endif /* __UCLIBC_MJN3_ONLY__ */ s = *((char **) (*argptr)); if (s) { @@ -1746,7 +1750,7 @@ static int _do_one_spec(FILE * __restrict stream, goto CHAR_CASE; } -#endif /* L_vfprintf */ +#endif /* L__vfprintf_internal */ #ifdef __UCLIBC_HAS_PRINTF_M_SPEC__ } else if (ppfs->conv_num == CONV_m) { @@ -1778,7 +1782,7 @@ static int _do_one_spec(FILE * __restrict stream, } #ifdef __UCLIBC_MJN3_ONLY__ -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #warning CONSIDER: If using outdigits and/or grouping, how should we pad? #endif #endif /* __UCLIBC_MJN3_ONLY__ */ @@ -1805,11 +1809,12 @@ static int _do_one_spec(FILE * __restrict stream, numpad = 0; } OUTPUT(stream, prefix + prefix_num); + if (_charpad(stream, '0', numfill) != numfill) { return -1; } -#ifdef L_vfprintf +#ifdef L__vfprintf_internal #ifdef __UCLIBC_HAS_WCHAR__ if (!ws) { @@ -1836,7 +1841,7 @@ static int _do_one_spec(FILE * __restrict stream, } #endif /* __UCLIBC_HAS_WCHAR__ */ -#else /* L_vfprintf */ +#else /* L__vfprintf_internal */ if (!ws) { assert(s); @@ -1849,7 +1854,7 @@ static int _do_one_spec(FILE * __restrict stream, } } -#endif /* L_vfprintf */ +#endif /* L__vfprintf_internal */ if (_charpad(stream, ' ', numpad) != numpad) { return -1; } @@ -1860,35 +1865,21 @@ static int _do_one_spec(FILE * __restrict stream, libc_hidden_proto(fprintf) -libc_hidden_proto(VFPRINTF) -int VFPRINTF (FILE * __restrict stream, +int VFPRINTF_internal (FILE * __restrict stream, register const FMT_TYPE * __restrict format, va_list arg) { ppfs_t ppfs; int count, r; register const FMT_TYPE *s; - __STDIO_AUTO_THREADLOCK_VAR; - - __STDIO_AUTO_THREADLOCK(stream); count = 0; s = format; - if -#ifdef L_vfprintf - (!__STDIO_STREAM_IS_NARROW_WRITING(stream) - && __STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_NARROW)) -#else - (!__STDIO_STREAM_IS_WIDE_WRITING(stream) - && __STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_WIDE)) -#endif - { - count = -1; - } else if (_PPFS_init(&ppfs, format) < 0) { /* Bad format string. */ + if (_PPFS_init(&ppfs, format) < 0) { /* Bad format string. */ OUTNSTR(stream, (const unsigned char *) ppfs.fmtpos, STRLEN((const FMT_TYPE *)(ppfs.fmtpos))); -#if defined(L_vfprintf) && !defined(NDEBUG) +#if defined(L__vfprintf_internal) && !defined(NDEBUG) fprintf(stderr,"\nIMbS: \"%s\"\n\n", format); #endif count = -1; @@ -1930,14 +1921,66 @@ int VFPRINTF (FILE * __restrict stream, va_end(ppfs.arg); /* Need to clean up after va_copy! */ } -/* #if defined(L_vfprintf) && defined(__UCLIBC_HAS_WCHAR__) */ +/* #if defined(L__vfprintf_internal) && defined(__UCLIBC_HAS_WCHAR__) */ /* DONE: */ /* #endif */ + return count; +} +#endif /* defined(L__vfprintf_internal) || defined(L__vfwprintf_internal) */ + + +/**********************************************************************/ +#if defined(L_vfprintf) || defined(L_vfwprintf) + +/* This is just a wrapper around VFPRINTF_internal. + * Factoring out vfprintf internals allows: + * (1) vdprintf and vsnprintf don't need to setup fake locking, + * (2) __STDIO_STREAM_TRANS_TO_WRITE is not used in vfprintf internals, + * and thus fseek etc is not pulled in by vdprintf and vsnprintf. + * + * In order to not pull in fseek through fputs, OUTPUT() macro + * is using __stdio_fwrite (TODO: do the same for wide functions). + */ +#ifdef L_vfprintf +#define VFPRINTF vfprintf +#define VFPRINTF_internal _vfprintf_internal +#define FMT_TYPE char +#else +#define VFPRINTF vfwprintf +#define VFPRINTF_internal _vfwprintf_internal +#define FMT_TYPE wchar_t +#endif + +libc_hidden_proto(VFPRINTF) +int VFPRINTF (FILE * __restrict stream, + register const FMT_TYPE * __restrict format, + va_list arg) +{ + int count; + __STDIO_AUTO_THREADLOCK_VAR; + + __STDIO_AUTO_THREADLOCK(stream); + + if +#ifdef L_vfprintf + (!__STDIO_STREAM_IS_NARROW_WRITING(stream) + && __STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_NARROW)) +#else + (!__STDIO_STREAM_IS_WIDE_WRITING(stream) + && __STDIO_STREAM_TRANS_TO_WRITE(stream, __FLAG_WIDE)) +#endif + { + count = -1; + } else { + count = VFPRINTF_internal(stream, format, arg); + } + __STDIO_AUTO_THREADUNLOCK(stream); return count; } libc_hidden_def(VFPRINTF) -#endif +#endif /* defined(L_vfprintf) || defined(L_vfwprintf) */ + /**********************************************************************/ |